>>> tomorrow night, i'll talk to senator john mccain with his battle with president obama over benghazi. that's all for us. "ac 360" starts now. >>> we begin as we do keeping them honest looking for facts not offering opinions or playing favorites. we're not supporting democrats or republicans. you can find that on plenty of other cable channels. our goal reporting, finding the facts. tonight our focus, it's over the attacks in benghazi. today, mr. mccain took it a step further enand said because of susan rice's role, the confusing fact, we'll talk to senator mccain in a second so president obama took the opportunity to fire back directly at the senator. >> if senator mccain and others want to go after somebody, they should go after me. and i'm happy to have that discussion with them. but for them to go after the u.n. ambassador, who had nothing to do with benghazi and was simply making a presentation based on intelligence that she had received and to besmirch her reputation is outrageous. >> well, senator mccain heard that remark. 73 minutes later took to the floor of the u.s.